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Listed under:  Science  >  Matter  >  Chemical compounds  >  Acids  >  Carboxylic acids  >  Proteins  >  Amino acids
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Enzymes and proteins active in cells' chemistry

Meet some of the busiest biomolecules inside a cell: enzymes. Find out how they allow cells to carry out chemical reactions very quickly. Discover that most enzymes are proteins, one of the four major types of macromolecules inside a cell. Learn about the many diverse roles of proteins.

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DNA codes for proteins

Discover how a cell translates the DNA code into proteins. This is done through a messenger called ribonucleic acid (RNA), which is like the recipe from a single gene for assembling a protein. Watch animations to see how different enzymes unzip the DNA double helix, read the code, and translate into protein. Find out how ...

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Building blocks: amino acids

Proteins do most of the work in a cell. Consider the enormous number and complexity of proteins and how this is achieved from a relatively small number of building blocks. Learn about the connection between DNA and protein. See how the four letters of the DNA bases can encode the instructions for making all the proteins ...

Interactive Resource

Digestion Part 3 (sk- Intel)

This brief resource consists of 4 sets of illustrated slides with voice over presenting information about the properties of enzymes and their role during digestion.